/*4.19 遮罩
  name:      hui-mask
*/
.hui-mask {
  position: relative;
  overflow: hidden;
  .mask-bar {
    position: absolute;
    height: auto;
    left: 0;
    bottom: -100%;
    right: 0;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2;
    color: #fff!important;
  }
  &.hover .mask-bar {
    bottom: 0px;
    -ms-transition: bottom 200ms;
    transition: bottom 200ms;
  }
  .mask-box {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    z-index: 2;
    color: #fff!important;
  }
  &.hover .mask-box {
    background-color: rgba(0, 0, 0, 0.6);
    -ms-transition: all 500ms;
    transition: all 500ms;
  }
}